Condensed Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenues	$ 14,820	$ 14,435	$ 29,765	$ 28,412
Salaries and benefits	6,792	6,385	13,731	12,686
Supplies	2,301	2,380	4,622	4,604
Other operating expenses	2,693	2,473	5,445	4,894
Equity in earnings of affiliates	(8)	(22)	(19)	(43)
Depreciation and amortization	738	712	1,470	1,409
Interest expense	434	386	842	770
Losses (gains) on sales of facilities	32	(8)	22	(10)
Losses on retirement of debt	78	12	78	12
Total expenses including equity in earnings of affiliates	13,060	12,318	26,191	24,322
Income before income taxes	1,760	2,117	3,574	4,090
Provision for income taxes	381	453	730	846
Net income	1,379	1,664	2,844	3,244
Net income attributable to noncontrolling interests	224	214	416	371
Net income attributable to HCA Healthcare, Inc.	$ 1,155	$ 1,450	$ 2,428	$ 2,873
Per share data:
Basic earnings	$ 3.95	$ 4.42	$ 8.16	$ 8.62
Diluted earnings	$ 3.90	$ 4.36	$ 8.05	$ 8.50
Shares used in earnings per share calculations (in millions):
Basic	292,527	328,171	297,459	333,119
Diluted	296,061	332,613	301,690	337,940